Saturday, October 27, 2012

Call ABAP Webdynpro Application from a R/3 Transaction

Please find the Code Snippets to Call a Webdynpro ABAP Application from a R/3 Transaction
Create a ABAP Program from SE38 and associate a transaction to it and Call the same.

REPORT  ZWD1.

***data declarations
DATA:gv_url_string TYPE string,
     gv_url_c(250) TYPE c.

CONSTANTS:gc_login_auth TYPE string VALUE '?sap-system-login-basic_auth=X',
          gc_client     TYPE string VALUE '&sap-client=',
          gc_lang       TYPE string VALUE '&sap-language='.

***Get the Url of Webdynpro Applicaion with HTTPS Protocol
CALL METHOD cl_wd_utilities=>construct_wd_url
  EXPORTING
    application_name = 'WDR_TEST_NAVIGATION'
    in_protocol      = 'HTTPS'
  IMPORTING
    out_absolute_url = gv_url_string.

***If the server and port have not got added, try without HTTPS Protocol
IF gv_url_string CS '//:/'.
  CALL METHOD cl_wd_utilities=>construct_wd_url
    EXPORTING
      application_name = 'WDR_TEST_NAVIGATION'
    IMPORTING
      out_absolute_url = gv_url_string.

***If server and port have still not got added
  IF gv_url_string CS '//:/'.
**Raise a Error Message
  ENDIF.
ENDIF.

***Build the URL
CONCATENATE gv_url_string
            gc_login_auth
            gc_client sy-mandt
            gc_lang   sy-langu
  INTO gv_url_c.

***Call the Browser
CALL FUNCTION 'CALL_BROWSER'
  EXPORTING
    url                    = gv_url_c
  EXCEPTIONS
    frontend_not_supported = 1
    frontend_error         = 2
    prog_not_found         = 3
    no_batch               = 4
    unspecified_error      = 5
    OTHERS                 = 6.
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